#1 | 09/10/1966The Bubbler
The Bubbler kidnaps the Shah of Shish-Ka-Bob and it's up to the Impossibles to rescue him.
#2 | 09/10/1966The Shocking Electrical Monster
Dr. Shock uses his Master Mix Monster Machine to turn his assistant Igor into an electricity-absorbing monster.
#3 | 09/10/1966The Spinner
#4 | 09/17/1966The Perilous Paper Doll
The Paper Doll Man steals a top secret plan and is out to steal the second part.
#5 | 09/17/1966The Spyder Man
Professor Conroy and Buzz unveil the blueprints for the Spy Detector XK-00-7 at a Maximum Security Building. Unfortunately, the blueprints are targeted by the Spyder Man.
#6 | 09/17/1966Beamatron
#7 | 09/24/1966The Burrower
The Burrower uses his burrowing machine to steal half a million dollars from the bank and dig ten miles down to his lair.
#8 | 09/24/1966The Menace from the Wax Museum
Upon an encounter with Buzz at the wax museum, Mr. Menace uses his monsters Godzonka, Gorillis and Cyclaws in an attack upon San Francisco.
#9 | 09/24/1966Timeatron
Timeatron uses his time cabinet to bring villains from the past to pillage for him.
#10 | 10/01/1966Smogula
Smogula freezes the Impossibles and seals them within a cave, so they will not interfere with his plans to conquer Empire City.
#11 | 10/01/1966The Alien Brain from Outer Space, Part 1
A giant alien brain arrives on Earth and captures Buzz and Frankenstein Jr.
#12 | 10/01/1966The Sinister Speck
The Speck uses a formula to shrink himself in order to photograph top secret plans.
#13 | 10/08/1966Fero, the Fiendish Fiddler
To get the Impossibles out of the way, Fero uses his fiddle to transport them to different planets.
#14 | 10/08/1966The Alien Brain from Outer Space, Part 2
#15 | 10/08/1966Mother Gruesome
Mother Gruesome invents a machine that brings villainous storybook characters out of their stories to help her with her crimes.
#16 | 10/15/1966Televisatron
Televisatron transports the Impossibles to different television shows.
#17 | 10/15/1966U.F.O. Unidentified Fiendish Object
The alien Zargon unleashes his warrior Destructo to conquer Earth.
#18 | 10/15/1966The Diabolical Dauber
The Dauber uses a special brush where anything he paints becomes real.
#19 | 10/22/1966Aquator
Aquator has stolen a secret formula from a scientist who is friends with Big D and shrinks himself to microscopic size in order to get all the microscopic creatures to become large.
#20 | 10/22/1966The Unearthly Plant Creatures
Plant Man thaws the last three prehistoric plants (the Carnivorous Chewer, the Creeping Crusher and the Fire-Breathing Snapdragon) from a glacier and then sprays them with his Obedience Ray in a plot to eliminate Buzz and Frankenstein Jr.
#21 | 10/22/1966The Wretched Professor Stretch
Professor Stretch causes havoc with his elastic abilities.
#22 | 10/29/1966The Devilish Dragster
#23 | 10/29/1966The Deadly Living Images
The Mad Inventor has invented the Double Identity Duplicator Projector to create living images he can control.
#24 | 10/29/1966The Return of the Spinner
#25 | 11/05/1966Satanic Surfer
The Surfer takes pictures of a top secret submarine.
#26 | 11/05/1966The Colossal Junk Monster
The Junk Man creates the Colossal Junk Monster in a plot to eliminate Frankenstein Jr.
#27 | 11/05/1966The Puzzler
#28 | 11/12/1966The Scheming Spraysol
#29 | 11/12/1966The Incredible Aqua-Monsters
Buzz and Frankenstein Jr. guard the Navy's new Hydrotomic Submarine to prevent Dr. Hook and his aquatic monsters from stealing it.
#30 | 11/12/1966The Scurrilous Sculptor
#31 | 11/19/1966The Artful Archer
The Archer steals a priceless violin and a million dollars.
#32 | 11/19/1966The Gigantic Ghastly Genie
Zorbo the Great creates a genie and plans to use its three wishes in order to defeat Frankenstein Jr. and conquer the world.
#33 | 11/19/1966The Insidious Inflator
The Inflator creates giant balloon monsters to help him commit crimes.
#34 | 11/26/1966The Dastardly Diamond Dazzler
The Diamond Dazzler steals a precious diamond in order to awaken the genie within.
#35 | 11/26/1966The Birdman
Birdman and his robotic birds Vulturo, Rodantus, and King Condor abduct two astronauts and hold them for a ransom of $1,000,000.
#36 | 11/26/1966The Return of the Perilous Paperman
#37 | 12/03/1966Cronella Critch the Tricky Witch
A witch named Cronella Critch robs a charity for orphans party.
#38 | 12/03/1966The Invasion of the Robot Creatures
Sertano the Satellite King, an alien from Galaxy X, uses a gravity ray in order to get Earth to surrender. Buzz and Frankenstein Jr. must defeat Sertano's robots in order to defeat him.
#39 | 12/03/1966The Terrible Twister
#40 | 12/10/1966Professor Stretch Bounces Back
Professor Stretch returns and creates a rubber monster to help him.
#41 | 12/10/1966The Manchurian Menace
#42 | 12/10/1966The Terrifying Tapper
#43 | 12/17/1966The Anxious Angler
#44 | 12/17/1966The Mad Monster Maker
To perform a crime wave in London, Baron Von Ghoul creates robotic versions of the horror movie monsters the Electroflying Firefly, the Menacing Mummy, and the Wicked Werewolf.
#45 | 12/17/1966The Rascally Ringmaster
The Ringmaster puts on a circus and robs from those who attend.
#46 | 12/24/1966Billy the Kidder
Billy the Kidder is a cowboy who rides a robotic horse and plans to rob the U.S. Mint.
#47 | 12/24/1966The Monstermobile
The Mad Inventor has invented the Monstermobile and uses its many gadgets to commit crimes.
#48 | 12/24/1966The Fiendish Dr. Futuro
Dr. Futuro comes from the 40th century to the twentieth century to steal a million dollar gold brick.
#49 | 12/31/1966The Crafty Clutcher
The Clutcher uses an invention that brings his gloves to life.
#50 | 12/31/1966Pilfering Putty Monster
Mr. Menace uses his putty monster to steal a $1,000,000 coin collection and even kidnaps Buzz. It is up to Frankenstein Jr. to rescue Buzz and defeat Mr. Menace.
#51 | 12/31/1966The Infamous Mr. Instant
Mr. Instant uses his insta-gun that can make anything in an instant.
#52 | 01/07/1967The Bizarre Batter
The Batter kidnaps a baseball star and holds him for ransom.
#53 | 01/07/1967The Spooktaculars
Dr. Spectro creates three giant ghoulish ghosts in order to take over Penciltrainia.
#54 | 01/07/1967The Not So Nice Mr. Ice
Mr. Ice and his henchman Freezer Freezer freeze the city in order to take it over.